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Testing and modelling the behaviour of steel sheets for roll levelling applications

Abstract : Three different models are developed to determine the loading modes experienced by the material in roll levelling operations (a finite element approach, an analytical and a semi-analytical model). This study shows that the semi-analytical model is the more appropriate in order to determine the parameters of rolls levellers and the analytic one is sufficient to define the size of the levellers. A specific experimental testing set-up, SOFT (Sheet Oscillatory Flexion Test), has also been designed and used to determine the mechanical response of steel sheets under the different loading modes of the process. The equipment is described and the first results in terms of materials parameters identification are presented, for further analysis and optimisation of roll leveller industrial set-ups.
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Submitted on : Thursday, August 12, 2010 - 2:44:55 PM
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Bruno Dratz, Vincent Nalewajk, Jérôme Bikard, Yvan Chastel. Testing and modelling the behaviour of steel sheets for roll levelling applications. 12th ESAFORM Conference on Material Forming, Apr 2009, Enschede, Netherlands. pp.Pages 519-522, ⟨10.1007/s12289-009-0560-3⟩. ⟨hal-00509448⟩

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